Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a.exe
Resource
win10v2004-20240802-en
General
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Target
4d8c832c53dcbb05896b3379e7884ad0d8345ec41df013aece0fdcf0b593d77c
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Size
529KB
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MD5
9adf35789f9351b4b0821bc746245fd2
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SHA1
370ec7b0e8caf48146914b76a9eccc826bee70f2
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SHA256
4d8c832c53dcbb05896b3379e7884ad0d8345ec41df013aece0fdcf0b593d77c
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SHA512
93efedf61ffe781300100dbafbd4d82b1272f47ad350380c2937fe33b2bd3ec8006d7fba89d809254630a1460a651cbb6e44611867ba5f3dc5d095c4d313281b
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SSDEEP
12288:Bp84ErzUt9rzHxi+IcSKFHUZm/8u/N+ZKX9RcwXUiImxVVI5Wbm3HZ:Bp8vgttoBcSKF0Y/IG9RcwHxxVuW635
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/a.exe
Files
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4d8c832c53dcbb05896b3379e7884ad0d8345ec41df013aece0fdcf0b593d77c.zip
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a.exe.exe windows:4 windows x86 arch:x86
b6bb4a5d474b724ace8816539eb73e0a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
AddVectoredExceptionHandler
AllocConsole
CloseHandle
CreateEventA
CreateFileW
CreateHardLinkW
CreateProcessA
CreateSemaphoreA
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EnterCriticalSection
FindFirstVolumeW
FindNextVolumeW
FindVolumeClose
FormatMessageA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDiskFreeSpaceExW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetHandleInformation
GetLastError
GetModuleHandleW
GetProcAddress
GetProcessAffinityMask
GetStdHandle
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadPriority
GetTickCount64
GetVolumeInformationW
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LoadLibraryW
LocalFree
MoveFileExW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
RaiseException
ReleaseSemaphore
RemoveDirectoryW
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetEndOfFile
SetEvent
SetFilePointer
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
msvcrt
__getmainargs
__initenv
__mb_cur_max
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_beginthreadex
_cexit
_close
_endthreadex
_errno
_filelengthi64
_fileno
_findclose
_fstat64
_get_osfhandle
_initterm
_iob
_lock
_lseeki64
_onexit
_setjmp3
_wstat64
_telli64
_ultoa
_unlock
_wchdir
_wchmod
_wfindfirst64
_wfindnext64
_wfopen
_wfullpath
_wgetcwd
_wmkdir
_wopen
_wutime64
abort
atoi
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getenv
getwc
iswctype
localeconv
longjmp
malloc
memchr
memcmp
memcpy
memmove
memset
printf
putc
putwc
realloc
setlocale
setvbuf
signal
strchr
strcmp
strcoll
strerror
strftime
strlen
strncmp
strtoul
strxfrm
towlower
towupper
ungetc
ungetwc
vfprintf
wcscat
wcscmp
wcscoll
wcscpy
wcsftime
wcslen
wcsxfrm
_write
_strdup
_read
_fileno
_fdopen
user32
FindWindowA
ShowWindow
Sections
.text Size: 960KB - Virtual size: 960KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 50KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 2KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 52B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/4 Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/19 Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/31 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/45 Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/57 Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/70 Size: 1024B - Virtual size: 543B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/81 Size: 1024B - Virtual size: 702B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/97 Size: 512B - Virtual size: 376B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
/113 Size: 512B - Virtual size: 95B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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test.txt